Web access is given via a proxy server(port 8080). What inbound and outbound rules should one set up in the firewall(via ufw)? Is deny(incoming) and deny(outgoing) with an exception of "8080, allow ...

I can add a rule using UFW firewall to allow a single known IP 192.168.1.32 to access my test webserver (192.168.1.48 (on a local mostly trusted network) on Ubuntu 14.04 using:
sudo ufw allow proto ...

I always use public WiFi in my college. Hence I thought of setting up a firewall. It was not as easy as I thought. My current set up is that all incoming connections are blocked except ssh. Is there a ...

Can someone explain to me the difference between these two? Like in NAT and Packet Filtering there are rules for both incoming and outgoing packets. I do not really understand their differences. What ...

My system disk failed catastrophically. I've replaced and mostly restored the OS on a new disk but all I have for my iptables is the output from iptables -L. Is there a way to automatically recreate ...

I have configured my ubuntu server to be a router and firewall. It has dhcp functionalities and it gives ip addresses to my other two computers. There is an implicit deny in the network. However the ...

Is the implicit deny of UFW only for when people are connecting to its IP address or for the whole network? I have tried telnet to the IP address and yes it gets denied but when I tried to telnet to ...

I have an ubuntu vm which runs the UFW and a microsoft xp professional. The ip address of the ubuntu is 192.168.254.132 and so I made the xp have a static ip address of 192.168.254.131 so they will be ...

I inherited a college VM I am trying to setup to accept remote connections to its MySQL DB from my local phpMyAdmin
I am going through some SO Questions and tutorials (this/this) on setting this up ...

By default Ubuntu doesn't have open ports (exceptions: Avahi and dhcp).
Assuming that my system is connected to the internet by direct way (no hardware firewall used):
If I am sending a UDP packet to ...

I use Ubuntu server as part of my system and now I have seen something interesting. I have a router that sends me ethernet 802.11 packets.
I generate this packet in the router and then send it under ...

I'm use and Ubuntu Server, and I use it an Asterisk 11.
But I have to unblocking the UDP Port 5089 and port for UDP packets in the
range of 16384-16482. Also, I need to disable "SPI" in my firewall. ...

I am trying to access an application on my server I have running on port 8000. From the server I can access the application via curl mydomainname.com:8000 from any other machine I just get curl: (7) ...

I tried searching for this but I'm coming up short. Maybe my wording is wrong.
I have my Ubuntu machine showing on my LAN - and I can see it from the Finder Window in OSX - but it won't connect when ...

I have got Gufw installed, and I have set some firewall rules so that it rejects and allows certain IP addresses. And although I have set it so that it logs-all, I cannot seem to find anywhere where ...

When I first touched linux, I installed Zorin. It's essentially an Ubuntu fork, but the desktop is redesigned to make it look like home to a person who has been using Windows for a long time. It came ...

I'm using link-grammar server to convert sentences into semantic graphs. It provides an API though a port to do the above process. It's configured to works through port 9000 of localhost. I used to ...